Ejemplo n.º 1
0
Handle<Value> Feature::addAttributes(const Arguments& args)
{
    HandleScope scope;

    Feature* fp = ObjectWrap::Unwrap<Feature>(args.This());

    if (args.Length() > 0 ) {
        Local<Value> value = args[0];
        if (value->IsNull() || value->IsUndefined()) {
            return ThrowException(Exception::TypeError(String::New("object expected")));
        } else {
            Local<Object> attr = value->ToObject();
            try
            {
                Local<Array> names = attr->GetPropertyNames();
                uint32_t i = 0;
                uint32_t a_length = names->Length();
                boost::scoped_ptr<mapnik::transcoder> tr(new mapnik::transcoder("utf8"));
                while (i < a_length) {
                    Local<Value> name = names->Get(i)->ToString();
                    Local<Value> value = attr->Get(name);
                    if (value->IsString()) {
                        UnicodeString ustr = tr->transcode(TOSTR(value));
                        boost::put(*fp->get(),TOSTR(name),ustr);
                    } else if (value->IsNumber()) {
                        double num = value->NumberValue();
                        // todo - round
                        if (num == value->IntegerValue()) {
                            int integer = value->IntegerValue();
                            boost::put(*fp->get(),TOSTR(name),integer);
                        } else {
                            double dub_val = value->NumberValue();
                            boost::put(*fp->get(),TOSTR(name),dub_val);
                        }
                    } else {
                        std::clog << "unhandled type for property: " << TOSTR(name) << "\n";
                    }
                    i++;
                }
            }
            catch (const std::exception & ex )
            {
                return ThrowException(Exception::Error(
                  String::New(ex.what())));
            }
            catch (...) {
                return ThrowException(Exception::Error(
                  String::New("Unknown exception happended - please report bug")));
            }
        }
    }

    return Undefined();
}
Ejemplo n.º 2
0
bool ArgConverter::TryConvertToJavaLong(const Local<Value>& value, jlong& javaLong)
{
	bool success = false;

	if (!value.IsEmpty())
	{
		if (value->IsNumber() || value->IsNumberObject())
		{
			javaLong = (jlong)value->IntegerValue();
			success = true;
		}
		else if (value->IsObject())
		{
			auto obj = Local<Object>::Cast(value);
			auto isJavaLongValue = obj->GetHiddenValue(V8StringConstants::GetJavaLong());
			if (!isJavaLongValue.IsEmpty() && isJavaLongValue->BooleanValue())
			{
				javaLong = (jlong)ConvertToJavaLong(value);
				success = true;
			}
		}
	}

	return success;
}
Ejemplo n.º 3
0
static void
gum_v8_stalker_on_set_queue_capacity (Local<String> property,
                                      Local<Value> value,
                                      const PropertyCallbackInfo<void> & info)
{
  GumV8Stalker * self = static_cast<GumV8Stalker *> (
      info.Data ().As<External> ()->Value ());
  (void) property;
  self->queue_capacity = value->IntegerValue ();
}
Ejemplo n.º 4
0
void FeatureDefn::styleIgnoredSetter(Local<String> property, Local<Value> value, const AccessorInfo &info)
{
	HandleScope scope;
	FeatureDefn *def = ObjectWrap::Unwrap<FeatureDefn>(info.This());
	if(!value->IsBoolean()){
		NODE_THROW("styleIgnored must be a boolean");
		return;
	}
	def->this_->SetStyleIgnored(value->IntegerValue());
}
Ejemplo n.º 5
0
void FeatureDefn::geomTypeSetter(Local<String> property, Local<Value> value, const AccessorInfo &info)
{
	HandleScope scope;
	FeatureDefn *def = ObjectWrap::Unwrap<FeatureDefn>(info.This());
	if(!value->IsInt32()){
		NODE_THROW("geomType must be an integer");
		return;
	}
	def->this_->SetGeomType(OGRwkbGeometryType(value->IntegerValue()));
}
Ejemplo n.º 6
0
void FieldDefn::precisionSetter(Local<String> property, Local<Value> value, const AccessorInfo &info)
{
	HandleScope scope;
	FieldDefn *def = ObjectWrap::Unwrap<FieldDefn>(info.This());
	if(!value->IsInt32()){
		NODE_THROW("precision must be an integer");
		return;
	}
	def->this_->SetPrecision(value->IntegerValue());
}
Ejemplo n.º 7
0
static void
gum_v8_stalker_on_set_trust_threshold (Local<String> property,
                                       Local<Value> value,
                                       const PropertyCallbackInfo<void> & info)
{
  GumV8Stalker * self = static_cast<GumV8Stalker *> (
      info.Data ().As<External> ()->Value ());
  GumStalker * stalker = _gum_v8_stalker_get (self);
  (void) property;
  gum_stalker_set_trust_threshold (stalker, value->IntegerValue ());
}
Ejemplo n.º 8
0
void Color::set_prop(Local<String> property,
                     Local<Value> value,
                     const AccessorInfo& info)
{
    HandleScope scope;
    Color* c = ObjectWrap::Unwrap<Color>(info.This());
    std::string a = TOSTR(property);
    if (!value->IsNumber())
        ThrowException(Exception::TypeError(
                           String::New("color channel value must be an integer")));
    if (a == "a") {
        c->get()->set_alpha(value->IntegerValue());
    } else if (a == "r") {
        c->get()->set_red(value->IntegerValue());
    } else if (a == "g") {
        c->get()->set_green(value->IntegerValue());
    } else if (a == "b") {
        c->get()->set_blue(value->IntegerValue());
    }
}
Ejemplo n.º 9
0
void ArrayType::PlatformLengthSet(Local<String> property, Local<Value> value, const AccessorInfo& info) {
  HandleScope scope;
  jobject ob = (jobject)info.This()->GetPointerFromInternalField(0);
  ArrayType *arr = (ArrayType *)info.This()->GetPointerFromInternalField(1);
  JNIEnv *jniEnv = arr->env->getVM()->getJNIEnv();
  if(value.IsEmpty()) {
    ThrowException(Exception::ReferenceError(String::New("No value specified")));
    return;
  }
  jint length = (jint)value->IntegerValue();
  jniEnv->CallVoidMethod(ob, arr->setLength, length);
  arr->env->getConv()->CheckForException(jniEnv);
}
void ArrayElementAccessor::SetArrayElement(const Local<Object>& array, uint32_t index, const string& arraySignature, Local<Value>& value)
{
	JEnv env;

	Isolate* isolate = Isolate::GetCurrent();
	HandleScope handleScope(isolate);

	jweak arr = objectManager->GetJavaObjectByJsObject(array);

	const string elementSignature = arraySignature.substr(1);
	jboolean isCopy = false;

	if (elementSignature == "Z") //bool
	{
		jboolean boolElementValue = (jboolean) value->BooleanValue();
		jbooleanArray boolArr = reinterpret_cast<jbooleanArray>(arr);
		env.SetBooleanArrayRegion(boolArr, index, 1, &boolElementValue);
	}
	else if (elementSignature == "B") //byte
	{
		jbyte byteElementValue = (jbyte) value->Int32Value();
		jbyteArray byteArr = reinterpret_cast<jbyteArray>(arr);
		env.SetByteArrayRegion(byteArr, index, 1, &byteElementValue);
	}
	else if (elementSignature == "C") //char
	{
		String::Utf8Value utf8(value->ToString());
		JniLocalRef s(env.NewString((jchar*) *utf8, 1));
		const char* singleChar = env.GetStringUTFChars(s, &isCopy);
		jchar charElementValue = *singleChar;
		env.ReleaseStringUTFChars(s, singleChar);
		jcharArray charArr = reinterpret_cast<jcharArray>(arr);
		env.SetCharArrayRegion(charArr, index, 1, &charElementValue);
	}
	else if (elementSignature == "S") //short
	{
		jshort shortElementValue = (jshort) value->Int32Value();
		jshortArray shortArr = reinterpret_cast<jshortArray>(arr);
		env.SetShortArrayRegion(shortArr, index, 1, &shortElementValue);
	}
	else if (elementSignature == "I") //int
	{
		jint intElementValue = value->Int32Value();
		jintArray intArr = reinterpret_cast<jintArray>(arr);
		env.SetIntArrayRegion(intArr, index, 1, &intElementValue);
	}
	else if (elementSignature == "J") //long
	{
		jlong longElementValue;
		if (value->IsObject())
		{
			longElementValue = (jlong) ArgConverter::ConvertToJavaLong(value);
		}
		else
		{
			longElementValue = (jlong) value->IntegerValue();
		}
		jlongArray longArr = reinterpret_cast<jlongArray>(arr);
		env.SetLongArrayRegion(longArr, index, 1, &longElementValue);
	}
	else if (elementSignature == "F") //float
	{
		jfloat floatElementValue = (jfloat) value->NumberValue();
		jfloatArray floatArr = reinterpret_cast<jfloatArray>(arr);
		env.SetFloatArrayRegion(floatArr, index, 1, &floatElementValue);
	}
	else if (elementSignature == "D") //double
	{
		jdouble doubleElementValue = (jdouble) value->NumberValue();
		jdoubleArray doubleArr = reinterpret_cast<jdoubleArray>(arr);
		env.SetDoubleArrayRegion(doubleArr, index, 1, &doubleElementValue);
	}
	else //string or object
	{
		bool isReferenceType = value->IsObject() || value->IsString();
		if (isReferenceType)
		{
			auto object = value.As<Object>();

			JsArgToArrayConverter argConverter(value, false, (int)Type::Null);
			if (argConverter.IsValid())
			{
				jobjectArray objArr = reinterpret_cast<jobjectArray>(arr);
				jobject objectElementValue = argConverter.GetConvertedArg();
				env.SetObjectArrayElement(objArr, index, objectElementValue);
			}
			else
			{
				JsArgToArrayConverter::Error err = argConverter.GetError();
				throw NativeScriptException(string(err.msg));
			}
		}
		else
		{
			throw NativeScriptException(string("Cannot assign primitive value to array of objects."));
		}
	}
}
Ejemplo n.º 11
0
Handle<Value> MemoryDatasource::add(const Arguments& args)
{

    HandleScope scope;

    if ((args.Length() != 1) || !args[0]->IsObject())
    {
        return ThrowException(Exception::Error(
                                  String::New("accepts one argument: an object including x and y (or wkt) and properties")));
    }

    MemoryDatasource* d = node::ObjectWrap::Unwrap<MemoryDatasource>(args.This());

    Local<Object> obj = args[0]->ToObject();

    if (obj->Has(String::New("wkt")) || (obj->Has(String::New("x")) && obj->Has(String::New("y"))))
    {
        if (obj->Has(String::New("wkt")))
            return ThrowException(Exception::Error(
                                      String::New("wkt not yet supported")));

        Local<Value> x = obj->Get(String::New("x"));
        Local<Value> y = obj->Get(String::New("y"));
        if (!x->IsUndefined() && x->IsNumber() && !y->IsUndefined() && y->IsNumber())
        {
            mapnik::geometry_type * pt = new mapnik::geometry_type(MAPNIK_POINT);
            pt->move_to(x->NumberValue(),y->NumberValue());
#if MAPNIK_VERSION >= 200100
            mapnik::context_ptr ctx = MAPNIK_MAKE_SHARED<mapnik::context_type>();
            mapnik::feature_ptr feature(mapnik::feature_factory::create(ctx,d->feature_id_));
#else
            mapnik::feature_ptr feature(mapnik::feature_factory::create(d->feature_id_));
#endif
            ++(d->feature_id_);
            feature->add_geometry(pt);
            if (obj->Has(String::New("properties")))
            {
                Local<Value> props = obj->Get(String::New("properties"));
                if (props->IsObject())
                {
                    Local<Object> p_obj = props->ToObject();
                    Local<Array> names = p_obj->GetPropertyNames();
                    unsigned int i = 0;
                    unsigned int a_length = names->Length();
                    while (i < a_length)
                    {
                        Local<Value> name = names->Get(i)->ToString();
                        // if name in q.property_names() ?
                        Local<Value> value = p_obj->Get(name);
                        if (value->IsString()) {
                            mapnik::value_unicode_string ustr = d->tr_->transcode(TOSTR(value));
#if MAPNIK_VERSION >= 200100
                            feature->put_new(TOSTR(name),ustr);
#else
                            boost::put(*feature,TOSTR(name),ustr);
#endif
                        } else if (value->IsNumber()) {
                            double num = value->NumberValue();
                            // todo - round
                            if (num == value->IntegerValue()) {
#if MAPNIK_VERSION >= 200100
                                feature->put_new(TOSTR(name),static_cast<node_mapnik::value_integer>(value->IntegerValue()));
#else
                                boost::put(*feature,TOSTR(name),static_cast<int>(value->IntegerValue()));
#endif
                            } else {
                                double dub_val = value->NumberValue();
#if MAPNIK_VERSION >= 200100
                                feature->put_new(TOSTR(name),dub_val);
#else
                                boost::put(*feature,TOSTR(name),dub_val);
#endif
                            }
                        } else if (value->IsNull()) {
#if MAPNIK_VERSION >= 200100
                            feature->put_new(TOSTR(name),mapnik::value_null());
#else
                            boost::put(*feature,TOSTR(name),mapnik::value_null());
#endif
                        } else {
                            std::clog << "unhandled type for property: " << TOSTR(name) << "\n";
                        }
                        i++;
                    }
                }
            }
            mapnik::memory_datasource *cache = dynamic_cast<mapnik::memory_datasource *>(d->datasource_.get());
            cache->push(feature);
        }
    }
    return scope.Close(False());
}
Ejemplo n.º 12
0
Parameter* ODBC::GetParametersFromArray (Local<Array> values, int *paramCount) {
    DEBUG_PRINTF("ODBC::GetParametersFromArray\n");
    *paramCount = values->Length();

    Parameter* params = NULL;

    if (*paramCount > 0) {
        params = (Parameter *) malloc(*paramCount * sizeof(Parameter));
    }

    for (int i = 0; i < *paramCount; i++) {
        Local<Value> value = values->Get(i);

        params[i].ColumnSize       = 0;
        params[i].StrLen_or_IndPtr = SQL_NULL_DATA;
        params[i].BufferLength     = 0;
        params[i].DecimalDigits    = 0;

        DEBUG_PRINTF("ODBC::GetParametersFromArray - param[%i].length = %lli\n",
                     i, params[i].StrLen_or_IndPtr);

        if (value->IsString()) {
            Local<String> string = value->ToString();
            int length = string->Length();

            params[i].ValueType         = SQL_C_TCHAR;
            params[i].ColumnSize        = 0; //SQL_SS_LENGTH_UNLIMITED
#ifdef UNICODE
            params[i].ParameterType     = SQL_WVARCHAR;
            params[i].BufferLength      = (length * sizeof(uint16_t)) + sizeof(uint16_t);
#else
            params[i].ParameterType     = SQL_VARCHAR;
            params[i].BufferLength      = string->Utf8Length() + 1;
#endif
            params[i].ParameterValuePtr = malloc(params[i].BufferLength);
            params[i].StrLen_or_IndPtr  = SQL_NTS;//params[i].BufferLength;

#ifdef UNICODE
            string->Write((uint16_t *) params[i].ParameterValuePtr);
#else
            string->WriteUtf8((char *) params[i].ParameterValuePtr);
#endif

            DEBUG_PRINTF("ODBC::GetParametersFromArray - IsString(): params[%i] c_type=%i type=%i buffer_length=%lli size=%lli length=%lli value=%s\n",
                         i, params[i].ValueType, params[i].ParameterType,
                         params[i].BufferLength, params[i].ColumnSize, params[i].StrLen_or_IndPtr,
                         (char*) params[i].ParameterValuePtr);
        }
        else if (value->IsNull()) {
            params[i].ValueType = SQL_C_DEFAULT;
            params[i].ParameterType   = SQL_VARCHAR;
            params[i].StrLen_or_IndPtr = SQL_NULL_DATA;

            DEBUG_PRINTF("ODBC::GetParametersFromArray - IsNull(): params[%i] c_type=%i type=%i buffer_length=%lli size=%lli length=%lli\n",
                         i, params[i].ValueType, params[i].ParameterType,
                         params[i].BufferLength, params[i].ColumnSize, params[i].StrLen_or_IndPtr);
        }
        else if (value->IsInt32()) {
            int64_t  *number = new int64_t(value->IntegerValue());
            params[i].ValueType = SQL_C_SBIGINT;
            params[i].ParameterType   = SQL_BIGINT;
            params[i].ParameterValuePtr = number;
            params[i].StrLen_or_IndPtr = 0;

            DEBUG_PRINTF("ODBC::GetParametersFromArray - IsInt32(): params[%i] c_type=%i type=%i buffer_length=%lli size=%lli length=%lli value=%lld\n",
                         i, params[i].ValueType, params[i].ParameterType,
                         params[i].BufferLength, params[i].ColumnSize, params[i].StrLen_or_IndPtr,
                         *number);
        }
        else if (value->IsNumber()) {
            double *number   = new double(value->NumberValue());

            params[i].ValueType         = SQL_C_DOUBLE;
            params[i].ParameterType     = SQL_DECIMAL;
            params[i].ParameterValuePtr = number;
            params[i].BufferLength      = sizeof(double);
            params[i].StrLen_or_IndPtr  = params[i].BufferLength;
            params[i].DecimalDigits     = 7;
            params[i].ColumnSize        = sizeof(double);

            DEBUG_PRINTF("ODBC::GetParametersFromArray - IsNumber(): params[%i] c_type=%i type=%i buffer_length=%lli size=%lli length=%lli value=%f\n",
                         i, params[i].ValueType, params[i].ParameterType,
                         params[i].BufferLength, params[i].ColumnSize, params[i].StrLen_or_IndPtr,
                         *number);
        }
        else if (value->IsBoolean()) {
            bool *boolean = new bool(value->BooleanValue());
            params[i].ValueType         = SQL_C_BIT;
            params[i].ParameterType     = SQL_BIT;
            params[i].ParameterValuePtr = boolean;
            params[i].StrLen_or_IndPtr  = 0;

            DEBUG_PRINTF("ODBC::GetParametersFromArray - IsBoolean(): params[%i] c_type=%i type=%i buffer_length=%lli size=%lli length=%lli\n",
                         i, params[i].ValueType, params[i].ParameterType,
                         params[i].BufferLength, params[i].ColumnSize, params[i].StrLen_or_IndPtr);
        }
    }

    return params;
}
Ejemplo n.º 13
0
Handle<Value> Feature::addAttributes(const Arguments& args)
{
    HandleScope scope;

    Feature* fp = node::ObjectWrap::Unwrap<Feature>(args.This());

    if (args.Length() > 0 ) {
        Local<Value> val = args[0];
        if (val->IsNull() || val->IsUndefined()) {
            return ThrowException(Exception::TypeError(String::New("object expected")));
        } else {
            Local<Object> attr = val->ToObject();
            try
            {
                Local<Array> names = attr->GetPropertyNames();
                unsigned int i = 0;
                unsigned int a_length = names->Length();
                boost::scoped_ptr<mapnik::transcoder> tr(new mapnik::transcoder("utf8"));
                while (i < a_length) {
                    Local<Value> name = names->Get(i)->ToString();
                    Local<Value> value = attr->Get(name);
                    if (value->IsString()) {
                        mapnik::value_unicode_string ustr = tr->transcode(TOSTR(value));
#if MAPNIK_VERSION >= 200100
                        fp->get()->put_new(TOSTR(name),ustr);
#else
                        boost::put(*fp->get(),TOSTR(name),ustr);
#endif
                    } else if (value->IsNumber()) {
                        double num = value->NumberValue();
                        // todo - round
                        if (num == value->IntegerValue()) {
#if MAPNIK_VERSION >= 200100
                            fp->get()->put_new(TOSTR(name),static_cast<node_mapnik::value_integer>(value->IntegerValue()));
#else
                            boost::put(*fp->get(),TOSTR(name),static_cast<int>(value->IntegerValue()));
#endif

                        } else {
                            double dub_val = value->NumberValue();
#if MAPNIK_VERSION >= 200100
                            fp->get()->put_new(TOSTR(name),dub_val);
#else
                            boost::put(*fp->get(),TOSTR(name),dub_val);
#endif
                        }
                    } else if (value->IsNull()) {
#if MAPNIK_VERSION >= 200100
                        fp->get()->put_new(TOSTR(name),mapnik::value_null());
#else
                        boost::put(*fp->get(),TOSTR(name),mapnik::value_null());
#endif
                    } else {
                        std::clog << "unhandled type for property: " << TOSTR(name) << "\n";
                    }
                    i++;
                }
            }
            catch (std::exception const& ex )
            {
                return ThrowException(Exception::Error(
                                          String::New(ex.what())));
            }
        }
    }

    return Undefined();
}
Ejemplo n.º 14
0
bool CQueryParameter::TransformParameter( Isolate* isolate, Local< Value > value, sBindParameter** pOutParam )
{
	HandleScope scope( isolate );
	Local< Context > context = isolate->GetCurrentContext( );

	sBindParameter* pParameter = *pOutParam;

	if( value->IsNull( ) )
	{
		pParameter->SetNull( );
	}
	else if( value->IsString( ) )
	{
		pParameter->SetString( value.As<String>( ) );
	}
	else if( value->IsBoolean( ) )
	{
		pParameter->SetBool( value->BooleanValue( context ).FromJust( ) );
	}
	else if( value->IsInt32( ) )
	{
		pParameter->SetInt( value->Int32Value( context ).FromJust( ) );
	}
	else if( value->IsUint32( ) )
	{
		pParameter->SetUInt( value->Uint32Value( context ).FromJust( ) );
	}
	else if( value->IsNumber( ) )
	{
		double d = value->NumberValue( context ).FromJust( );
		if( _isnan( d ) || !_finite( d ) )
		{
			return false;
		}
		else if( d == floor( d ) &&
				 d >= std::numeric_limits<int64_t>::min( ) &&
				 d <= std::numeric_limits<int64_t>::max( )
				 )
		{
			pParameter->SetInt64( value->IntegerValue( context ).FromJust( ) );
		}
		else
		{
			pParameter->SetDouble( value->NumberValue( context ).FromJust( ) );
		}
	}
	else if( value->IsDate( ) )
	{
		Local<Date> dateObject = value.As<Date>( );

		pParameter->SetDate( dateObject->NumberValue( context ).FromJust( ) );
	}
	else if( value->IsObject( ) )
	{
		Local<Object> objValue = value.As<Object>( );

		if( node::Buffer::HasInstance( value ) )
		{
			pParameter->SetBuffer( isolate, objValue );
		}
		else
		{
			Local< String > strId = String::NewFromUtf8( isolate, "_objId", NewStringType::kNormal ).ToLocalChecked( );


			if( objValue->HasRealNamedProperty( context, strId ).FromJust( ) )
			{
				Local< Uint32 > numTypeId = objValue->Get( context, strId ).ToLocalChecked( ).As< Uint32 >( );

				uint32_t nType = numTypeId->Int32Value( context ).FromJust( );

				switch( nType )
				{
					case ID_INPUT_STREAM:
					{
						Local<Value> type = objValue->Get(
							context, String::NewFromUtf8( isolate, "type", NewStringType::kNormal ).ToLocalChecked( )
						).ToLocalChecked( );

						Local<Value> stream = objValue->Get(
							context, String::NewFromUtf8( isolate, "stream", NewStringType::kNormal ).ToLocalChecked( )
						).ToLocalChecked( );

						Local<Value> length = objValue->Get(
							context, String::NewFromUtf8( isolate, "length", NewStringType::kNormal ).ToLocalChecked( )
						).ToLocalChecked( );

						pParameter->SetStream( isolate, type->Uint32Value( context ).FromJust( ), stream, static_cast< SQLUINTEGER >( length->IntegerValue( context ).FromJust( ) ) );

						break;
					}
					case ID_NUMERIC_VALUE:
					{
						Local< Value > precision = objValue->Get(
							context, String::NewFromUtf8( isolate, "precision", NewStringType::kNormal ).ToLocalChecked( )
						).ToLocalChecked( );

						Local<Value> scale = objValue->Get(
							context, String::NewFromUtf8( isolate, "scale", NewStringType::kNormal ).ToLocalChecked( )
						).ToLocalChecked( );

						Local<Value> sign = objValue->Get(
							context, String::NewFromUtf8( isolate, "sign", NewStringType::kNormal ).ToLocalChecked( )
						).ToLocalChecked( );

						Local<Value> value = objValue->Get(
							context, String::NewFromUtf8( isolate, "value", NewStringType::kNormal ).ToLocalChecked( )
						).ToLocalChecked( );

						Local< Uint32 > numPrecision = precision.As<Uint32>( );
						Local< Uint32 > numScale = scale.As<Uint32>( );
						Local< Boolean > boolSign = sign.As<Boolean>( );
						Local< ArrayBuffer > arrBuffer = ( value.As<Uint8Array>( ) )->Buffer( );

						ArrayBuffer::Contents contents = arrBuffer->GetContents( );

						if( contents.ByteLength( ) > SQL_MAX_NUMERIC_LEN )
						{
							return false;
						}

						pParameter->SetNumeric( numPrecision->Uint32Value( context ).FromJust( ),
												numScale->Uint32Value( context ).FromJust( ),
												boolSign->BooleanValue( context ).FromJust( ),
												contents.Data( ),
												contents.ByteLength( )
						);


						break;
					}
					default:
					{
						return false;
					}
				}
			}
			else
			{
				return false;
			}
		}
	}
	else
	{
		return false;
	}

	return true;
}
Ejemplo n.º 15
0
Handle<Value> MemoryDatasource::add(const Arguments& args)
{

    HandleScope scope;

    if ((args.Length() != 1) || !args[0]->IsObject())
    {
        return ThrowException(Exception::Error(
           String::New("accepts one argument: an object including x and y (or wkt) and properties")));
    }

    MemoryDatasource* d = ObjectWrap::Unwrap<MemoryDatasource>(args.This());

    Local<Object> obj = args[0]->ToObject();

    if (obj->Has(String::New("wkt")) || (obj->Has(String::New("x")) && obj->Has(String::New("y"))))
    {
        if (obj->Has(String::New("wkt")))
            return ThrowException(Exception::Error(
               String::New("wkt not yet supported")));

        Local<Value> x = obj->Get(String::New("x"));
        Local<Value> y = obj->Get(String::New("y"));
        if (!x->IsUndefined() && x->IsNumber() && !y->IsUndefined() && y->IsNumber())
        {
            mapnik::geometry_type * pt = new mapnik::geometry_type(mapnik::Point);
            pt->move_to(x->NumberValue(),y->NumberValue());
            mapnik::feature_ptr feature(new mapnik::Feature(d->feature_id_));
            ++(d->feature_id_);
            feature->add_geometry(pt);
            if (obj->Has(String::New("properties")))
            {
                Local<Value> props = obj->Get(String::New("properties"));
                if (props->IsObject())
                {
                    Local<Object> p_obj = props->ToObject();
                    Local<Array> names = p_obj->GetPropertyNames();
                    uint32_t i = 0;
                    uint32_t a_length = names->Length();
                    while (i < a_length)
                    {
                        Local<Value> name = names->Get(i)->ToString();
                        // if name in q.property_names() ?
                        Local<Value> value = p_obj->Get(name);
                        if (value->IsString()) {
                            UnicodeString ustr = d->tr_->transcode(TOSTR(value));
                            boost::put(*feature,TOSTR(name),ustr);
                        } else if (value->IsNumber()) {
                            double num = value->NumberValue();
                            // todo - round
                            if (num == value->IntegerValue()) {
                                int integer = value->IntegerValue();
                                boost::put(*feature,TOSTR(name),integer);
                            } else {
                                double dub_val = value->NumberValue();
                                boost::put(*feature,TOSTR(name),dub_val);
                            }
                        } else {
                            std::clog << "unhandled type for property: " << TOSTR(name) << "\n";
                        }
                        i++;
                    }
                }
            }
            mapnik::memory_datasource *cache = dynamic_cast<mapnik::memory_datasource *>(d->datasource_.get());
            cache->push(feature);
        }
    }
    return scope.Close(Boolean::New(false));
}
Ejemplo n.º 16
0
    mapnik::feature_ptr next()
    {

        HandleScope scope;
        
        TryCatch try_catch;
        Local<Value> argv[2] = { Integer::New(feature_id_), obj_ };
        Local<Value> val = ds_->cb_->Call(Context::GetCurrent()->Global(), 2, argv);
        if (try_catch.HasCaught()) {
            FatalException(try_catch);
        }
        else
        {
            if (!val->IsUndefined())
            {
                if (val->IsObject())
                {
                    Local<Object> obj = val->ToObject();
                    if (obj->Has(String::New("x")) && obj->Has(String::New("y")))
                    {
                        Local<Value> x = obj->Get(String::New("x"));
                        Local<Value> y = obj->Get(String::New("y"));
                        if (!x->IsUndefined() && x->IsNumber() && !y->IsUndefined() && y->IsNumber())
                        {
                            mapnik::geometry_type * pt = new mapnik::geometry_type(mapnik::Point);
                            pt->move_to(x->NumberValue(),y->NumberValue());
                            mapnik::feature_ptr feature(mapnik::feature_factory::create(feature_id_));
                            ++feature_id_;
                            feature->add_geometry(pt);
                            if (obj->Has(String::New("properties")))
                            {
                                Local<Value> props = obj->Get(String::New("properties"));
                                if (props->IsObject())
                                {
                                    Local<Object> p_obj = props->ToObject();
                                    Local<Array> names = p_obj->GetPropertyNames();
                                    uint32_t i = 0;
                                    uint32_t a_length = names->Length();
                                    while (i < a_length)
                                    {
                                        Local<Value> name = names->Get(i)->ToString();
                                        // if name in q.property_names() ?
                                        Local<Value> value = p_obj->Get(name);
                                        if (value->IsString()) {
                                            UnicodeString ustr = tr_->transcode(TOSTR(value));
                                            boost::put(*feature,TOSTR(name),ustr);
                                        } else if (value->IsNumber()) {
                                            double num = value->NumberValue();
                                            // todo - round
                                            if (num == value->IntegerValue()) {
                                                int integer = value->IntegerValue();
                                                boost::put(*feature,TOSTR(name),integer);
                                            } else {
                                                double dub_val = value->NumberValue();
                                                boost::put(*feature,TOSTR(name),dub_val);
                                            }
                                        }
                                        i++;
                                    }
                                }
                            }
                            return feature;                
                        }
                    }
                }
            }        
        }

        return mapnik::feature_ptr();
    }
Ejemplo n.º 17
0
Parameter* ODBC::GetParametersFromArray (Local<Array> values, int *paramCount) {
  DEBUG_PRINTF("ODBC::GetParametersFromArray\n");
  *paramCount = values->Length();
  
  Parameter* params = (Parameter *) malloc(*paramCount * sizeof(Parameter));

  for (int i = 0; i < *paramCount; i++) {
    Local<Value> value = values->Get(i);
    
    params[i].size          = 0;
    params[i].length        = SQL_NULL_DATA;
    params[i].buffer_length = 0;
    params[i].decimals      = 0;

    DEBUG_PRINTF("ODBC::GetParametersFromArray - &param[%i].length = %X\n",
                 i, &params[i].length);

    if (value->IsString()) {
      Local<String> string = value->ToString();
      int length = string->Length();
      
      params[i].c_type        = SQL_C_TCHAR;
#ifdef UNICODE
      params[i].type          = (length >= 8000) ? SQL_WLONGVARCHAR : SQL_WVARCHAR;
      params[i].buffer_length = (length * sizeof(uint16_t)) + sizeof(uint16_t);
#else
      params[i].type          = (length >= 8000) ? SQL_LONGVARCHAR : SQL_VARCHAR;
      params[i].buffer_length = string->Utf8Length() + 1;
#endif
      params[i].buffer        = malloc(params[i].buffer_length);
      params[i].size          = params[i].buffer_length;
      params[i].length        = SQL_NTS;//params[i].buffer_length;

#ifdef UNICODE
      string->Write((uint16_t *) params[i].buffer);
#else
      string->WriteUtf8((char *) params[i].buffer);
#endif

      DEBUG_PRINTF("ODBC::GetParametersFromArray - IsString(): params[%i] "
                   "c_type=%i type=%i buffer_length=%i size=%i length=%i "
                   "value=%s\n", i, params[i].c_type, params[i].type,
                   params[i].buffer_length, params[i].size, params[i].length, 
                   (char*) params[i].buffer);
    }
    else if (value->IsNull()) {
      params[i].c_type = SQL_C_DEFAULT;
      params[i].type   = SQL_VARCHAR;
      params[i].length = SQL_NULL_DATA;

      DEBUG_PRINTF("ODBC::GetParametersFromArray - IsNull(): params[%i] "
                   "c_type=%i type=%i buffer_length=%i size=%i length=%i\n",
                   i, params[i].c_type, params[i].type,
                   params[i].buffer_length, params[i].size, params[i].length);
    }
    else if (value->IsInt32()) {
      int64_t  *number = new int64_t(value->IntegerValue());
      params[i].c_type = SQL_C_SBIGINT;
      params[i].type   = SQL_BIGINT;
      params[i].buffer = number;
      params[i].length = 0;
      
      DEBUG_PRINTF("ODBC::GetParametersFromArray - IsInt32(): params[%i] "
                   "c_type=%i type=%i buffer_length=%i size=%i length=%i "
                   "value=%lld\n", i, params[i].c_type, params[i].type,
                   params[i].buffer_length, params[i].size, params[i].length,
                   *number);
    }
    else if (value->IsNumber()) {
      double *number   = new double(value->NumberValue());
      
      params[i].c_type        = SQL_C_DOUBLE;
      params[i].type          = SQL_DECIMAL;
      params[i].buffer        = number;
      params[i].buffer_length = sizeof(double);
      params[i].length        = params[i].buffer_length;
      params[i].decimals      = 7;
      params[i].size          = sizeof(double);

      DEBUG_PRINTF("ODBC::GetParametersFromArray - IsNumber(): params[%i] "
                  "c_type=%i type=%i buffer_length=%i size=%i length=%i "
		  "value=%f\n",
                  i, params[i].c_type, params[i].type,
                  params[i].buffer_length, params[i].size, params[i].length,
		  *number);
    }
    else if (value->IsBoolean()) {
      bool *boolean    = new bool(value->BooleanValue());
      params[i].c_type = SQL_C_BIT;
      params[i].type   = SQL_BIT;
      params[i].buffer = boolean;
      params[i].length = 0;
      
      DEBUG_PRINTF("ODBC::GetParametersFromArray - IsBoolean(): params[%i] "
                   "c_type=%i type=%i buffer_length=%i size=%i length=%i\n",
                   i, params[i].c_type, params[i].type,
                   params[i].buffer_length, params[i].size, params[i].length);
    }
  } 
  
  return params;
}
Ejemplo n.º 18
0
    bool QueryOperation::BindParameters( Handle<Array> node_params )
    {
        uint32_t count = node_params->Length();

        if( count > 0 ) {

            for( uint32_t i = 0; i < count; ++i ) {

                Local<Value> p = node_params->Get( i );
                ParamBinding binding;

                if( p->IsNull() ) {

                    binding.js_type = ParamBinding::JS_NULL;
                    binding.c_type = SQL_C_CHAR;
                    binding.sql_type = SQL_CHAR;
                    binding.param_size = 1;
                    binding.digits = 0;
                    binding.buffer = NULL;
                    binding.buffer_len = 0;
                    binding.indptr = SQL_NULL_DATA;
                }
                else if( p->IsString() ) {

                    binding.js_type = ParamBinding::JS_STRING;
                    binding.c_type = SQL_C_WCHAR;
                    binding.sql_type = SQL_WVARCHAR;
                    Local<String> str_param = p->ToString();
                    int str_len = str_param->Length();
                    binding.buffer = new uint16_t[ str_len + 1 ];   // null terminator
                    str_param->Write( static_cast<uint16_t*>( binding.buffer ));
                    if( str_len > 4000 ) {
                        binding.param_size = 0;     // max types require 0 precision
                    }
                    else {
                        binding.param_size = str_len;
                    }
                    binding.buffer_len = str_len * sizeof( uint16_t );
                    binding.digits = 0;
                    binding.indptr = binding.buffer_len;
                }
                else if( p->IsBoolean() ) {
                    
                    binding.js_type = ParamBinding::JS_BOOLEAN;
                    binding.c_type = SQL_C_BIT;
                    binding.sql_type = SQL_BIT;
                    binding.buffer = new uint16_t;
                    binding.buffer_len = sizeof( uint16_t );
                    *static_cast<uint16_t*>( binding.buffer ) = p->BooleanValue();
                    binding.param_size = 1;
                    binding.digits = 0;
                    binding.indptr = binding.buffer_len;
                }
                else if( p->IsInt32()) {

                    binding.js_type = ParamBinding::JS_INT;
                    binding.c_type = SQL_C_SLONG;
                    binding.sql_type = SQL_INTEGER;
                    binding.buffer = new int32_t;
                    binding.buffer_len = sizeof( int32_t );
                    *static_cast<int32_t*>( binding.buffer ) = p->Int32Value();
                    binding.param_size = sizeof( int32_t );
                    binding.digits = 0;
                    binding.indptr = binding.buffer_len;
                }
                else if( p->IsUint32()) {

                    binding.js_type = ParamBinding::JS_UINT;
                    binding.c_type = SQL_C_ULONG;
                    binding.sql_type = SQL_BIGINT;
                    binding.buffer = new uint32_t;
                    binding.buffer_len = sizeof( uint32_t );
                    *static_cast<int32_t*>( binding.buffer ) = p->Uint32Value();
                    binding.param_size = sizeof( uint32_t );
                    binding.digits = 0;
                    binding.indptr = binding.buffer_len;
                }
                else if( p->IsNumber()) {

                    // numbers can be either integers or doubles.  We attempt to determine which it is through a simple
                    // cast and equality check
                    double d = p->NumberValue();
                    if( _isnan( d ) || !_finite( d ) ) {

                        return ParameterErrorToUserCallback( i, "Invalid number parameter" );

                    }
                    else if( d == floor( d ) && 
                             d >= std::numeric_limits<int64_t>::min() && 
                             d <= std::numeric_limits<int64_t>::max() ) {

                        binding.js_type = ParamBinding::JS_NUMBER;
                        binding.c_type = SQL_C_SBIGINT;
                        binding.sql_type = SQL_BIGINT;
                        binding.buffer = new int64_t;
                        binding.buffer_len = sizeof( int64_t );
                        *static_cast<int64_t*>( binding.buffer ) = p->IntegerValue();
                        binding.param_size = sizeof( int64_t );
                        binding.digits = 0;
                        binding.indptr = binding.buffer_len;
                    }
                    else {

                        binding.js_type = ParamBinding::JS_NUMBER;
                        binding.c_type = SQL_C_DOUBLE;
                        binding.sql_type = SQL_DOUBLE;
                        binding.buffer = new double;
                        binding.buffer_len = sizeof( double );
                        *static_cast<double*>( binding.buffer ) = p->NumberValue();
                        binding.param_size = sizeof( double );
                        binding.digits = 0;
                        binding.indptr = binding.buffer_len;
                    }
                }
                else if( p->IsDate() ) {

                    // Since JS dates have no timezone context, all dates are assumed to be UTC
                    Handle<Date> dateObject = Handle<Date>::Cast<Value>( p );
                    assert( !dateObject.IsEmpty() );
                    // dates in JS are stored internally as ms count from Jan 1, 1970
                    double d = dateObject->NumberValue();
                    SQL_SS_TIMESTAMPOFFSET_STRUCT* sql_tm = new SQL_SS_TIMESTAMPOFFSET_STRUCT;
                    TimestampColumn sql_date( d );
                    sql_date.ToTimestampOffset( *sql_tm );

                    binding.js_type = ParamBinding::JS_DATE;
                    binding.c_type = SQL_C_BINARY;
                    // TODO: Determine proper SQL type based on version of server we're talking to
                    binding.sql_type = SQL_SS_TIMESTAMPOFFSET;
                    binding.buffer = sql_tm;
                    binding.buffer_len = sizeof( SQL_SS_TIMESTAMPOFFSET_STRUCT );
                    // TODO: Determine proper precision and size based on version of server we're talking to
                    binding.param_size = SQL_SERVER_2008_DEFAULT_DATETIME_PRECISION;
                    binding.digits = SQL_SERVER_2008_DEFAULT_DATETIME_SCALE;
                    binding.indptr = binding.buffer_len;
                }
                else if( p->IsObject() && node::Buffer::HasInstance( p )) {

                    // TODO: Determine if we need something to keep the Buffer object from going
                    // away while we use it we could just copy the data, but with buffers being 
                    // potentially very large, that could be problematic
                    Local<Object> o = p.As<Object>();
                    
                    binding.js_type = ParamBinding::JS_BUFFER;
                    binding.c_type = SQL_C_BINARY;
                    binding.sql_type = SQL_VARBINARY;
                    binding.buffer = node::Buffer::Data( o );
                    binding.buffer_len = node::Buffer::Length( o );
                    binding.param_size = binding.buffer_len;
                    binding.digits = 0;
                    binding.indptr = binding.buffer_len;
                }

                else {


                    return ParameterErrorToUserCallback( i, "Invalid parameter type" );

                }

                params.push_back( move( binding ));
            }
        }

        return true;
    }
Ejemplo n.º 19
0
Handle<Value> Database::Query(const Arguments& args) {
  HandleScope scope;

  REQ_STR_ARG(0, sql);
  
  Local<Function> cb; 
  
  int paramCount = 0;
  Parameter* params;

  Database* dbo = ObjectWrap::Unwrap<Database>(args.This());

  struct query_request *prep_req = (struct query_request *)
    calloc(1, sizeof(struct query_request));

  if (!prep_req) {
    V8::LowMemoryNotification();
    return ThrowException(Exception::Error(String::New("Could not allocate enough memory")));
  }

  // populate prep_req->params if parameters were supplied
  //
  if (args.Length() > 2) 
  {
      if ( !args[1]->IsArray() )
      {
           return ThrowException(Exception::TypeError(
                      String::New("Argument 1 must be an Array"))
           );
      }
      else if ( !args[2]->IsFunction() )
      {
           return ThrowException(Exception::TypeError(
                      String::New("Argument 2 must be a Function"))
           );
      }
  

      Local<Array> values = Local<Array>::Cast(args[1]);
      cb = Local<Function>::Cast(args[2]);

      prep_req->paramCount = paramCount = values->Length();
      prep_req->params     = params     = new Parameter[paramCount];

      for (int i = 0; i < paramCount; i++)
      {
          Local<Value> value = values->Get(i);

          params[i].size          = 0;
          params[i].length        = NULL;
          params[i].buffer_length = 0;

          if (value->IsString()) 
          {
              String::Utf8Value string(value);
              
              params[i].c_type        = SQL_C_CHAR;
              params[i].type          = SQL_VARCHAR;
              params[i].length        = SQL_NTS;
              params[i].buffer        = malloc(string.length() + 1);
              params[i].buffer_length = string.length() + 1;
              params[i].size          = string.length() + 1;

              strcpy((char*)params[i].buffer, *string);
          }
          else if (value->IsNull()) 
          {
              params[i].c_type = SQL_C_DEFAULT;
              params[i].type   = SQL_NULL_DATA;
              params[i].length = SQL_NULL_DATA;
          }
          else if (value->IsInt32()) 
          {
              int64_t  *number = new int64_t(value->IntegerValue());
              params[i].c_type = SQL_C_LONG;
              params[i].type   = SQL_INTEGER;
              params[i].buffer = number; 
          }
          else if (value->IsNumber()) 
          {
              double   *number = new double(value->NumberValue());
              params[i].c_type = SQL_C_DOUBLE;
              params[i].type   = SQL_DECIMAL;
              params[i].buffer = number; 
          }
          else if (value->IsBoolean()) 
          {
              bool *boolean    = new bool(value->BooleanValue());
              params[i].c_type = SQL_C_BIT;
              params[i].type   = SQL_BIT;
              params[i].buffer = boolean;
          }
      }
  }
  else 
  {
      if ( !args[1]->IsFunction() )
      {
           return ThrowException(Exception::TypeError(
                      String::New("Argument 1 must be a Function"))
           );
      }

      cb = Local<Function>::Cast(args[1]);

      prep_req->paramCount = 0;
  }

  prep_req->sql = (char *) malloc(sql.length() +1);
  prep_req->catalog = NULL;
  prep_req->schema = NULL;
  prep_req->table = NULL;
  prep_req->type = NULL;
  prep_req->column = NULL;
  prep_req->cb = Persistent<Function>::New(cb);
  
  strcpy(prep_req->sql, *sql);
  
  prep_req->dbo = dbo;

  eio_custom(EIO_Query, EIO_PRI_DEFAULT, EIO_AfterQuery, prep_req);

  ev_ref(EV_DEFAULT_UC);
  dbo->Ref();
  scope.Close(Undefined());
  return Undefined();
}